Foul from not flowing (8)
I believe the answer is:
stagnant
(Other definitions for stagnant that I've seen before include "Sluggish" , "(Of water) motionless" , "Showing little activity" , "making no progress" , "Foul from inertia" .)
I believe the answer is:
stagnant
(Other definitions for stagnant that I've seen before include "Sluggish" , "(Of water) motionless" , "Showing little activity" , "making no progress" , "Foul from inertia" .)